AUREUM (Hornem.) Webb & Berthel. x DIPLOCYCLUM (Bolle) Mes
Greenovia aurea (Hornem.) Webb & Berthel. × Greenovia diplocycla Bolle, in Uhl, The chromosomes of the Sempervivoideae (Crassulaceae), American Journal of Botany 48(2): 117, 121. (Feb) 1961.
Aeonium ×uhlii Tavorm. & S.Tavorm., Aeonium sezione Greenovia, Piante Grasse 26(2): 49. (Apr) 2006 nom. inval. (Art. 40.1)
Etym: Named for Charles Harrison Uhl (1918-2010), American botanist and specialist in Crassulaceae.
T: Islas Canarias, El Hierro; Charles H. Uhl U716.
Obs: A tetraploid intermediate between the parents, which might therefore be an allopolyploid.